import axios from 'axios'
import {MessageBox, Message} from 'element-ui'
import store from '@/store'
import Vue from 'vue'

// create an axios instance
const service = axios.create({
  baseURL: window.SITE_CONFIG.baseUrl, // url = base url + request url
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 300000 // request timeout
})

// request interceptor

service.interceptors.request.use(config => {
  config.headers['token'] = Vue.cookie.get('token') // 请求头带上token
  return config
}, error => {
  return Promise.reject(error)
})

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
   */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    const headers = response.headers
    // if the custom code is not 20000, it is judged as an error.
    // console.log("start",res)
    if (res.type === "application/octet-stream") {
      return res
    }
    if (res.code !== 20000 && res.code !== 0 && res.code !== 500) {
      Message({
        message: res.msg || 'Error',
        type: 'error',
        duration: 5 * 1000
      })

      // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
      if (res.code === 50008 || res.code === 50012 || res.code === 50014) {
        // to re-login
        MessageBox.confirm(
          'You have been logged out, you can cancel to stay on this page, or log in again',
          'Confirm logout',
          {
            confirmButtonText: 'Re-Login',
            cancelButtonText: 'Cancel',
            type: 'warning'
          }
        ).then(() => {
          store.dispatch('user/resetToken').then(() => {
            location.reload()
          })
        })
      }
      if (headers['content-type'] === 'application/octet-stream;charset=UTF-8') {
        return res
      }
      //拦截

      return Promise.reject(new Error(res.msg || 'Error'))
    } else {
      //放行
      return res
    }
  },
  error => {
    // debugger
    console.log('err' + error) // for debug
    Message({
      message: error.message,
      type: 'error',
      duration: 5 * 1000
    })
    return Promise.reject(error)
  }
)

export default service
